Short answer
The Nike Air Max 90 is widely recognized for offering a reliable true-to-size (TTS) fit for individuals with standard or narrow foot geometries. Originally engineered as a performance running sneaker, its design focuses on a locked-in fit to completely eliminate heel slippage.
Runs true to size
Cross-sizing: what size to buy
Find a shoe you already own and read across to the Nike Air Max 90 size to buy.
| Reference Shoe | US | EU | ||
|---|---|---|---|---|
| Your usual | Buy | Your usual | Buy | |
| Nike Air Force 1 '07 | 10.0 | 10.5 | 44 | 44.5 |
| Nike Dunk Low | 10.0 | 10.5 (or 10.0 for narrow feet) | 44 | 44.5 (or 44 for narrow feet) |
| Adidas Samba OG | 10.0 | 10.0 (or 10.5 for wide feet) | 44 | 44 (or 44.5 for wide feet) |
| Nike Air Max 1 | 10.0 | 10.0 (or 10.5 for wide feet) | 44 | 44 (or 44.5 for wide feet) |
-
Nike Air Force 1 '07
Your usual Buy US 10.0 10.5 EU 44 44.5 -
Nike Dunk Low
Your usual Buy US 10.0 10.5 (or 10.0 for narrow feet) EU 44 44.5 (or 44 for narrow feet) -
Adidas Samba OG
Your usual Buy US 10.0 10.0 (or 10.5 for wide feet) EU 44 44 (or 44.5 for wide feet) -
Nike Air Max 1
Your usual Buy US 10.0 10.0 (or 10.5 for wide feet) EU 44 44 (or 44.5 for wide feet)
Fit Notes
- Nike Air Force 1 '07
- The Nike Air Force 1 is famously built on an oversized last with a wide, boxy toe box that causes most wearers to size down a half-size to get their correct length. Conversely, the Air Max 90 has a narrower midfoot footprint and much thicker internal padding. Therefore, you must select a half-size larger than your typical AF1 size to achieve proper length and avoid severe midfoot cramping.
- Nike Dunk Low
- The Dunk Low provides a standard, flat leather upper that is highly accommodating across the entire foot. In contrast, the Air Max 90 features a plush 17.1mm thick tongue and a 14.2mm heel drop that pushes the foot forward. Standard and wide foot shapes require a half-size up from their Dunk size to prevent toe crowding, while narrow profiles can remain at their true length.
- Adidas Samba OG
- The Samba OG features an exceptionally slim, low-volume retro silhouette where wide-footed individuals are forced to size up purely to achieve horizontal clearance. If you are a wide-footer who already sized up in the Samba for width, do not compound this factor; stick with that same size (10.5) in the Air Max 90 to accommodate its narrow 90.7mm midfoot bed and rigid TPU side panels. Standard or narrow foot profiles can wear their true anatomical size safely.
- Nike Air Max 1
- As historical running siblings, the Air Max 1 and Air Max 90 share similar lengths, but the Air Max 1 is designed with a slightly wider forefoot taper. If you possess wide or flat feet and wear a true-to-size Air Max 1 comfortably, the Air Max 90 will likely pinch your pinky toe due to its unforgiving leather and TPU mudguard panels, making a half-size increase necessary.
Sizing FAQ
Does the Nike Air Max 90 run true to size?
Yes, the Nike Air Max 90 generally runs true to size (TTS) for individuals with standard or narrow foot profiles. Selecting your standard Nike size provides a secure, locked-in fit with a rounded forefoot that offers an accommodating 70.4 mm width at the big toe area. However, because the interior midfoot width (90.7 mm) is slightly narrower than average, those who prefer a loose lifestyle fit or plan to wear thick winter socks should go up a half-size.
Is the Nike Air Max 90 good for wide feet?
The standard Air Max 90 is typically not ideal for wide feet due to its narrow midfoot chamber and rigid TPU lateral panels that resist natural stretching. Standard wide foot shapes should size up a half-size (0.5 US) to avoid friction and chafing on the fifth metatarsal (pinky toe). Extremely wide feet may require a full size increase (1.0 US). Alternatively, wide-footed users can extract the stock insole during the first few weeks of break-in to reclaim vertical space.
How is the arch support on the Nike Air Max 90?
The Nike Air Max 90 provides very limited built-in arch support because it is built on a relatively flat internal bed intended for neutral runners. While its dual-density foam midsole and pressurized heel Max Air unit offer premium shock absorption (107 SA) that reduces impact during daily walking, they do not provide active pronation control. Users with high arches or flat feet are highly encouraged to swap out the removable stock insoles for custom orthotics.
Specs & Sizing
| Weight | 380 g |
|---|---|
| Retail price | $135 |
| Price on Amazon | $100 - $150 |
| Release year | 1990 |
| Upper | Leather Mesh |
| Midsole | Foam with Max Air |
| Outsole | Rubber Waffle |
| Technologies | Max Air cushioning, Waffle outsole |
| Fit & sizing | True to size, go half up if wide feet |